diff --git a/mod/quiz/preview.php b/mod/quiz/preview.php
index 80ea45d7423..5480df4ac1e 100644
--- a/mod/quiz/preview.php
+++ b/mod/quiz/preview.php
@@ -187,7 +187,7 @@
     p($questions[$id]->name);
     echo "</p>\n";
     $number = 1;
-    echo "<form method=\"post\" action=\"preview.php\">\n";
+    echo "<form method=\"post\" action=\"preview.php\" autocomplete=\"off\">\n";
     echo "<input type=\"hidden\" name=\"id\" value=\"$id\" />\n";
     echo "<input type=\"hidden\" name=\"quizid\" value=\"$quizid\" />\n";
     echo "<input type=\"hidden\" name=\"continue\" value=\"1\" />\n";